Network Protocols

HTTP

check_proxy_http_url

https://blog.zwindler.fr/2017/11/18/supervisez-vos-urls-bloquees-proxy/

DNS

check_nameservers_are_in_sync_for_zone

https://github.com/dwt/check_nameservers

Checks that all advertised nameservers for a domain are on the same soa version, thus ensuring your customers will get consistent answers to their dns…

HTTP

check_certificates.pl

https://github.com/kromg/nagios-plugins

check_certificates.pl is a plugin to check validity and/or expiration date of SSL certificates. check_certificates.txt supports STARTTLS and going through a proxy. License: Perl 5 license.…

NTP and Time

check_time_diff

Q. Why check_time_diff? A. We wanted to check for both broken time synchronisation on both clients and servers in a way that was agnostic about…

* TCP and UDP (Generic)

check_tcp_connections – with netstat and filtered by states

Successfull tested with Raspberry Pi 1 Model B, Nagios 4 + NagiosGraph and Raspbian (Debian). Usage: ./check_tcp_connections -s [a|l|w|e] -w -c Only one state !!!…

DHCP and BOOTP

check_dhcp_snmp

# Perl check for DHCP pools via SNMP bulkwalk. Specifically written to monitor Windows 2012R2 DHCP. # -- Fast. Checks ~1000 scopes in 1.5 seconds.…

HTTP

check_json

https://gitlab.com/Jedimaster0/check_json

# Description Nagios, and compatible, plugin to obtain JSON data and perform comparisons/check against a specific key/subkey. * Get timestamp and determine difference from current…

SNMP

Juniper SRX240 Monitoring Plugin (snmp)

For FRU,TEMP,SYSTEM and SPU monitoring this plugin runs through the ContentsIndex and getting Name, Type and State (Temp,CPU,MEM-Use) for each element listed in there. Based…

SNMP

check_snmp_storage_ucd

SNMP

UPS Socomec Sicon Netvision

http://www.crowdedplace.com/2013/05/socomec-sicon-netvision-1-0/

This is a first try at the Socomec Sicon Netvision UPS. What it does: verify output voltage (currently only the first element of 3; this…